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• Do not touch the thermal grease.
• Do not press, touch, or rotate the fan impeller.
• Do not touch the fan inlet hole.
• Do not twist or pull the cable of the thermal fan assembly.
• Do not apply pressure on the top and bottom covers of the thermal fan assembly.
• Do not press the heat pipe. Hold both sides of the heat pipe if you must take the thermal fan assembly.
• Do not shake or drop the thermal fan assembly.
• Ensure that the fan connector is attached firmly.
• Replace the thermal fan assembly if you observe the following:
– The cover of the thermal fan assembly is deformed or damaged.
– There is abnormal noise during rotation.
When you install the system board:
Ensure that all the connectors are attached firmly to the system board.
1130 Battery pack
For access, remove this FRU:
•
"1010 Lenovo OneLink connector cover" on page 60
•
"1020 DIMM door" on page 61
•
"1030 Internal storage drive" on page 61
•
"1040 Memory module" on page 62
•
"1050 Wireless LAN card" on page 63
•
"1060 Coin-cell battery" on page 64
•
"1070 Keyboard" on page 65
•
"1080 Keyboard bezel assembly" on page 66
•
"1090 Media card reader" on page 68
•
"1100 USB/audio card" on page 69
•
"1120 System board and thermal fan assembly" on page 70
Important notices for replacing a battery pack
Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and
provides no warranties for failures or damage arising out of their use.
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Chapter 9
Removing or replacing a FRU
77
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